../ PER5274 3G Dongles Compatibility List.pdf 13-Dec-2013 13:45 197477 PER5274 Firmware Upgrade Instruction.pdf 06-Jun-2013 14:27 478818 PER5274B.20130220_v1.0.7.zip 12-Apr-2013 12:52 370168550 PER5274B.20130411_v1.0.9.zip 14-May-2013 08:36 348085765